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Dell precision 670 diagnostic lights are yygg 1st light flashing y/g 4th light flashing g/y power light solid green will not post

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6ya6ya
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Posted on Jan 02, 2017

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efs_perpends
  • 1996 Answers

SOURCE: Dell Precision 670 6 long beeps on post no video but pc is on

Please consult this Dell link for general startup troubleshooting for your system., and this link will take you to the codes for the error lights and beeps.
Finally, here's a good article to help solve general startup problems and diagnose the possible cause.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!



Posted on May 26, 2009

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bronk50
  • 27725 Answers

SOURCE: dell precision 670 won't boot

Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty
http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm

Testing & replacing the PC's power supply
http://www.youtube.com/watch?v=hbNxhvm0czs

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules

Test all power and data leads that attach to your hard drive IDE,SATA
the leads from your (motherboard to your hard drive) make sure they have secure dust free connections and are not faulty

if its a 40 pin flat ribbon type it will be the first to fail

make sure all leads that are attached to your drives dvd\cd and floppy have secure connections and are not faulty

even something as small as a faulty electrical fan and its lead can cause you problems
computers need all power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error

Check your RAM.
The RAM is located in the middle of the motherboard.

There are tabs that you can push to release the RAM.
Remove it and put it back in place until the tabs pop out.

Loose RAM can cause your computer not to start properly where you want to see a video signal.
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.


Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.


Do not use solvent that may attract dust and never poke things like cotton buds in to slots.
lightly rub an alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r


Allow the pins to dry.
They will air dry in a matter of minutes.

Posted on Jan 16, 2014

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Diagnostic light a green, b and c orange


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Diagnostic lights a green, b & c orange


Rear Lights Dell Computer Error Codes

Rear LEDS are labled A through D and can change from green to yellow. Some typical LED reading might be:
A - yellow, B - yellow, C - green, D - green <-- Indicates a problem with the RAM.
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Refer to the Dell website for your specific model, as these lights can vary from model to model.

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Dell Precision T3500 wont boot 1-3 lights blinking


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Dec 16, 2013 | Dell Precision Computers & Internet

1 Answer

Dell precision 670 diagnostic lights y g y


http://www.dell.com/support/Manuals/us/en/19/Product/precision-470

Click on -
Dell Precision Workstation 470 and 670 Computer User's Guide

In the list on the right side, click on - Tools to Help Solve Problems

In the list on the left side, click on - Diagnostic Lights

Yellow (A) Green (B) Yellow (C)

"A possible VRM 1 failure has occurred"

VRM stands for Voltage Regulator Module.

It regulates Voltage for the Processor.

The Processor MUST have a steady, 'clean', supply of Voltage; and it MUST be kept within the tight voltage range, for the Processor.

Too little, or too much; and the Processor turns off. (BIOS turns it off)

Your motherboard supports two Processors.

1) Processor (CPU_0) Zero which is in the middle of the motherboard, next to the PCI Express x16 slot;

2) and Processor (CPU_1) One, which is next to it.

The VRM 1 has failed. Needs to be replaced.

http://www.ebay.com/itm/DELL-H2703-PRECISION-470-670-VRM-VOLTAGE-REGULATOR-MODULE-TH-0H2703-WS470-WS670-/380369885440

VRM's used are interchangeable.

IMHO you can remove Processor 1 (CPU_1), and it's VRM, and still use the computer; albiet slower though.

For additional questions please post in a Comment.
Regards,
joecoolvette

Mar 22, 2013 | Dell Precision Workstation 670 PC Desktop

1 Answer

I have a Dell precision 670 dual ZEON CPU ws and it has stopped working (Note after a move) diag lights ( on the front panel) A,B,C are lit and yellow, the power button is yellow instead of green and the...


Reseated? How Rick?

Did you;
1) Have the computer unplugged from power, and follow Anti-Static Precautions?
2) Did you clean the top of the processors, and bottom of the Heatsink's - Thoroughly, and properly apply new, fresh thermal paste?

[ If they had thermal pads on the Processors, remove them, throw them as far as you can.
One, they are JUNK. Two, you cannot reuse them.

The imprint has been made, and you cannot imprint over.

{The Heatsink, and Processor make an imprint on a thermal pad. The pad is squeezed down. You cannot re-squeeze again, and make a successful complete contact. A thermal pad also dries out a lot faster than thermal paste. Poor design ]

3) The LED lights you refer to are Diagnostic LED lights.

A, B, and C are Yellow.
The Power On LED light is Yellow,

Dell Support > Precision 470 and 670 Workstation Desktop PC Users Guide,

http://support.dell.com/support/edocs/systems/ws670/en/ug_en/index.htm

Solving Problems

http://support.dell.com/support/edocs/systems/ws670/en/ug_en/solve.htm#wp1252394

Power Problems:

If The Power Light is Amber and Green or Steady Amber;
A device might be malfunctioning or incorrectly installed.
  • Remove and then reinstall the memory modules.
  • Remove and then reinstall any cards.
  • Remove and then reinstall the graphics card, if applicable.
Diagnostic Lights before P.O.S.T. (Power On Self Test)

A, B, C, are Yellow, D is blank or Off.
BIOS is not executing - Ensure that the Processor is seated correctly, and restart the computer.

http://support.dell.com/support/edocs/systems/ws670/en/ug_en/advtrbl.htm#wp1057482

Almost sounds like a problem with the motherboard voltage regulator circuit, if the Processors were handled with Anti-Static Precautions being observed, and new thermal paste being used, after proper cleaning.
{A Processor is the MOST susceptible computer hardware component to Static shock}

Motherboard Voltage Regulator Circuit
A series of Electrolytic Capacitors on the motherboard, (Yes, in a Series circuit, also), that among other duties, regulate voltage for the Processor/s.

http://www.hardwaresecrets.com/article/616

Computer unplugged from power, Anti-Static Precautions observed, remove the motherboard, and visually inspect all 'caps' on the motherboard,

http://www.capacitorlab.com/visible-failures/index.htm

Post back as to your findings, in a Comment. (Believe upper right of your page, blue Comment)

Regards,
joecoolvette

Sep 16, 2011 | Dell Precision Workstation 670 PC Desktop

1 Answer

Dimension 3100 wont turns no power button light there is also an green light on motherboard cpu and power suplly fans working but wont bot up


Contact technical assistance.They will most likely ask you to send it back to repair.

This chart is where I got my conclusion.

Power Light

Problem Description

Suggested Resolution
Solid green
Power is on, and the computer is operating normally. On the desktop computer, a solid green light indicates a network connection.
No corrective action is required.
Blinking green
The computer is in the suspended state (Microsoft® Windows® 2000 and Windows XP).
Press the power button, move the mouse, or press a key on the keyboard to wake the computer.
Blinks green several times and then turns off
A configuration error exists.
Check the diagnostic lights to see if the specific problem is identified.
Solid yellow
The Dell Diagnostics is running a test, or a device on the system board may be faulty or incorrectly installed.
If the Dell Diagnostics is running, allow the testing to complete.
Check the diagnostic lights to see if the specific problem is identified.
If the computer does not boot, contact Dell for technical assistance.
Blinking yellow
A power supply or system board failure has occurred.
Check the diagnostic lights to see if the specific problem is identified.
Solid green and a beep code during POST
A problem was detected while the BIOS was executing.
See "Beep Codes" for instructions on diagnosing the beep code. Also, check the diagnostic lights to see if the specific problem is identified.
Solid green power light and no beep code and no video during POST
The monitor or the graphics card may be faulty or incorrectly installed.
Check the diagnostic lights to see if the specific problem is identified. See "Video and Monitor Problems" in your Owner's Manual.
Solid green power light and no beep code but the computer locks up during POST
An integrated system board device may be faulty.
Check the diagnostic lights to see if the specific problem is identified. If the problem is not identified, contact Dell for technical assistance.

Mar 06, 2011 | Dell Dimension 3100 PC Desktop

1 Answer

My Dell 670 had a blue screen when the c drive


try to remove or detach any newly hardware.and check the Ram

Feb 03, 2010 | Dell Precision Workstation 670 PC Desktop

1 Answer

Dell Precision 670 6 long beeps on post no video but pc is on


Please consult this Dell link for general startup troubleshooting for your system., and this link will take you to the codes for the error lights and beeps.
Finally, here's a good article to help solve general startup problems and diagnose the possible cause.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!



May 26, 2009 | Dell Precision Workstation 670 PC Desktop

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